Windows 11 keeps forcing Dolby Vision every time I start up, even though I turned it OFF

Anonymous
2025-06-05T17:36:51+00:00

Hi all,

I have an LG OLED G4 connected to my PC (Windows 11, NVIDIA 4090 graphics card). In Windows settings I’ve turned off “Use Dolby Vision mode,” and on the TV I’ve also disabled the Dolby Vision option for that HDMI port. Despite that, every single time I power the TV and PC back on, Windows starts in Dolby Vision anyway.

The picture looks brown, dim, and washed-out until I manually go into Windows, turn the Dolby Vision toggle on and then off again. After that, it switches to the normal HDR mode I actually want (“HDR Game Optimizer” on the TV) and everything looks fine—until the next restart, when the whole problem repeats. If I turn the TV off and on again while the PC is still on, it says in HDR Game Optimizer; it's when I restart the PC and the TV that it reverts to Dolby Vision again. It'll even revert to Dolby Vision if I just restart the PC, leaving the TV on the entire time. I've also tried hard power-cycling the TV (unplugged for one minute) after getting all the settings the way I want) and the problem still occurs.

In short:

  • Dolby Vision is OFF in Windows.
  • Dolby Vision is OFF in the TV’s input settings.
  • Yet Windows still chooses Dolby Vision at every cold boot or wake-up.
  • Manually flicking the toggle fixes it temporarily, but the setting never sticks.

This started after a recent Windows and graphics-driver update. It’s making HDR on my PC basically unusable.

Please let me know how to stop Windows from forcing Dolby Vision at startup, or escalate this as a bug. I just want my system to stay in regular HDR when I’ve told it to.

Windows for home | Windows 11 | Devices and drivers

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  1. Anonymous
    2025-06-25T16:51:28+00:00

    This solution can work if you don't game. When "Deep Color" is disabled it also disables the "Game Optimiser" in the general settings of the LG TV. I need the "Game Optimiser", so this is not a valid solution for me. Everything worked before the defective xxx3060 update. So there should be no need for us this disable working features on the TV. DV driver needs an update ASAP.

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  2. Anonymous
    2025-06-25T17:08:11+00:00

    I said TOGGLE, not TURN OFF. As in, turn off and back on. I game, I am having absolutely no issues since toggling it.

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  3. Anonymous
    2025-06-26T00:40:24+00:00

    Toggling HDMI Deep Color from 4k to off and back didn't do anything for me. As a matter of fact, as soon as I did toggle it back, I had to do the DV toggle in windows to fix it again.

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  5. Anonymous
    2025-06-26T18:40:09+00:00

    Hi, thanks, this was the only thing that worked for me - disabling Dolby Vision on my display using the Custom Resolution Utility (CRU). Hopefully, a fix from Microsoft is in the works.

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